Mobile Intel Pentium 4 Processor - M and Intel 845MP/MZ Chipset Platform Design Guide

Mobile Intel
®
Pentium
®
4 Processor-M and Intel
®
845MP/845MZ Chipset Platform
Design Guide 95
R
7. MCH-M PLL Requirements
7.1. MCH-M PLL Power Delivery
VCCA1 and VSSA1, and VCCA0 and VSSA0 are power sources required by the MCH-M’s PLL clock
generators.
Figure 42. Intel 845MP/845MZ PLL0 Filter
V_1P5_CORE
MCH
PLL
L
VSSA0
(ball U13)
VCCA0
(ball T13)
C
Length A
Table 31. PLL0 Filter Routing Guidelines
Parameter Routing Guidelines
Trace Width 5 mils
Trace Spacing 10 mils
Trace Length – A 1.5”
Capacitor – C 33 µF
Inductor – L 4.7 µH
MCH-M